Graco HIGH-FLO 243737 Manuale utente

Instructions

GRACO INC.ąP.O. BOX 1441ąMINNEAPOLIS, MNą55440-1441

HIGH–FLOrPumps

Designed for low pressure, high volume circulation of finishing

materials. Do not use for flushing or purging lines with caustics,

acids, abrasive line strippers, or other similar fluids.

309136N

01405

Stainless Steel Model Shown,

Mounted on Accessory Stand 218742

Important Safety Instructions

Read all warnings and instructions in this manual.

Save these instructions.

See page 2 for table of contents and page 4 for

pump part nos., ratios, and working pressures.

2 309136

Table of Contents

Symbols 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Warnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pump Models 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operation 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Maintenance 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Service 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pump Parts 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Displacement Pump Parts 27. . . . . . . . . . . . . . . . . . . . . .

Repair and Conversion Kits 30. . . . . . . . . . . . . . . . . . . . .

Technical Data 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dimensions 38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mounting Stand Hole Layout 38. . . . . . . . . . . . . . . . . . . .

Graco Standard Warranty 40. . . . . . . . . . . . . . . . . . . . . .

Graco Information 40. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Symbols

Warning Symbol

WARNING

This symbol alerts you to the possibility of serious

injury or death if you do not follow the instructions.

Caution Symbol

CAUTION

This symbol alerts you to the possibility of damage to

or destruction of equipment if you do not follow the

instructions.

WARNING

INSTRUCTIONS

EQUIPMENT MISUSE HAZARD

Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.

DThis equipment is for professional use only.

DRead all instruction manuals, tags, and labels before operating the equipment.

DUse the equipment only for its intended purpose. If you are uncertain about usage, call your Graco

distributor.

DDo not alter or modify this equipment. Use only genuine Graco parts and accessories.

DCheck equipment daily. Repair or replace worn or damaged parts immediately.

DDo not exceed the maximum working pressure stated on the equipment or in the Technical Data

section for your equipment. Do not exceed the maximum working pressure of the lowest rated

component in your system.

DUse fluids and solvents which are compatible with the equipment wetted parts. Refer to the Tech-

nical Data section of all equipment manuals. Read the fluid and solvent manufacturer’s warnings.

DDo not use hoses to pull equipment.

DRoute hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not expose

Graco hoses to temperatures above 82_C (180_F) or below –40_C (–40_F).

DWear hearing protection when operating this equipment.

DDo not lift pressurized equipment.

DComply with all applicable local, state, and national fire, electrical, and safety regulations.

309136 3

WARNING

FIRE AND EXPLOSION HAZARD

Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and re-

sult in a fire or explosion and serious injury.

DGround the equipment and the object being sprayed. Refer to Grounding on page 6.

DIf there is any static sparking or you feel an electric shock while using this equipment, stop spray-

ing/dispensing immediately. Do not use the equipment until you identify and correct the problem.

DProvide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid be-

ing sprayed/dispensed.

DKeep the spray/dispense area free of debris, including solvent, rags, and gasoline.

DElectrically disconnect all equipment in the spray/dispense area.

DExtinguish all open flames or pilot lights in the spray/dispense area.

DDo not smoke in the spray/dispense area.

DDo not turn on or off any light switch in the spray/dispense area while operating or if fumes are

present.

DDo not operate a gasoline engine in the spray/dispense area.

TOXIC FLUID HAZARD

Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin,

inhaled, or swallowed.

DKnow the specific hazards of the fluid you are using.

DStore hazardous fluid in an approved container. Dispose of hazardous fluid according to all local,

state, and national guidelines.

DAlways wear protective eyewear, gloves, clothing, and respirator as recommended by the fluid and

solvent manufacturer.

MOVING PARTS HAZARD

Moving parts, such as the air motor piston, can pinch or amputate your fingers.

DKeep clear of all moving parts when starting or operating the pump.

DBefore servicing the equipment, follow the Pressure Relief Procedure on page 13 to prevent the

equipment from starting unexpectedly.

4 309136

High–FloRPump Models

CARBON STEEL MODELS WITH NPT THREADS

Maximum Air

(or Hydraulic*)

Working Pressure Maximum Fluid

Working Pressure

Pump

Part No. Series Ratio and Type

(parts list page) Displacement

Pump, Series

(parts list page) MPa, bar (psi) MPa, bar (psi)

243737 B3:1 Bulldog (27) 243731, Series D

(27) 0.7, 7.0 (100) 2.1, 21 (300)

243738 C6:1 King (27) 243731, Series D

(27) 0.7, 7, (100) 4.1, 41 (600)

243739 C4:1 King (27) 243732, Series D

(27) 0.7, 7, (100) 2.8, 28 (400)

243740 BViscount II 600 (27) 243731, Series D

(27) 10.3*, 103* (1500*) 4.1, 41 (600)

243741 BViscount II 400 (27) 243732, Series D

(27) 10.3*, 103* (1500*) 2.8, 28 (400)

243742 BViscount II 300 (27) 243733, Series D

(27) 10.3*, 103* (1500*) 2.1, 21 (300)

SEVERE-DUTY ELECTROPOLISHED STAINLESS STEEL MODELS WITH NPT THREADS

Maximum Air

(or Hydraulic*)

Working Pressure Maximum Fluid

Working Pressure

Pump

Part No. Series Ratio and Type

(parts list page) Displacement

Pump, Series

(parts list page) MPa, bar (psi) MPa, bar (psi)

243743 B3:1 Bulldog (27) 243771, Series D

(27)

0.7, 7.0 (100) 2.1, 21 (300)

243745 C6:1 King (27) 243771, Series D

(27)

0.7, 7, (100) 4.1, 41 (600)

243747 C4:1 King (27) 243772, Series D

(27)

0.7, 7, (100) 2.8, 28 (400)

243749 C3:1 King (27) 243773, Series D

(27)

0.7, 7, (100) 2.1, 21 (300)

243751 BViscount II 600

(27) 243771, Series D

(27)

10.3*, 103* (1500*) 4.1, 41 (600)

243753 BViscount II 400

(27) 243772, Series D

(27)

10.3*, 103* (1500*) 2.8, 28 (400)

243755 BViscount II 300

(27) 243773, Series D

(27)

10.3*, 103* (1500*) 2.1, 21 (300)

309136 5

SEVERE-DUTY ELECTROPOLISHED STAINLESS STEEL MODELS WITH BSPP THREADS

Displacement

Maximum Air

(or Hydraulic*)

Working Pressure

Maximum Fluid

Working Pressure

Pump

Part No. Series

Ratio and Type

(parts list page)

Displacement

Pump, Series

(parts list page) MPa, bar (psi) MPa, bar (psi)

243744 B3:1 Bulldog (27) 243734, Series D

(27) 0.7, 7 (100) 2.1, 21 (300)

243746 C6:1 King (27) 243734, Series D

(27) 0.7, 7 (100) 4.1, 41 (600)

243748 C4:1 King (27) 243735, Series D

(27) 0.7, 7 (100) 2.8, 28 (400)

243750 C3:1 King (27) 243736, Series D

(27) 0.7, 7 (100) 2.1, 21 (300)

243752 B600 Viscount II (27) 243734, Series D

(27) 10, 103 (1500) 4.1, 41 (600)

243754 B400 Viscount II (27) 243735, Series D

(27) 10, 103 (1500) 2.8, 28 (400)

243756 B300 Viscount II (27) 243736, Series D

(27) 10, 103 (1500) 2.1, 21 (300)

SEVERE-DUTY CHROME STAINLESS STEEL MODELS WITH NPT THREADS

Displacement

Maximum Air

(or Hydraulic*)

Working Pressure

Maximum Fluid

Working Pressure

Pump

Part No. Series

Ratio and Type

(parts list page)

Displacement

Pump, Series

(parts list page) MPa, bar (psi) MPa, bar (psi)

248343 A400 Viscount II (27) 248333, Series B

(27) 10, 103 (1500) 2.8, 28 (400)

248345 A300 Viscount II (27) 248334, Series B

(27) 10, 103 (1500) 2.1, 21 (300)

SEVERE-DUTY CHROME STAINLESS STEEL MODELS WITH BSPP THREADS

Di l t

Maximum Air

(or Hydraulic*)

Working Pressure

Maximum Fluid

Working Pressure

Pump

Part No. Series

Ratio and Type

(parts list page)

Displacement

Pump, Series

(parts list page) MPa, bar (psi) MPa, bar (psi)

248344 A400 Viscount II (27) 248330, Series B

(27) 10, 103 (1500) 2.8, 28 (400)

248346 A300 Viscount II (27) 248331, Series B

(27) 10, 103 (1500) 2.1, 21 (300)

6 309136

Installation

Grounding

WARNING

FIRE AND EXPLOSION HAZARD

Before operating the pump, ground the

system as explained below. Also read

the section FIRE AND EXPLOSION

HAZARD on page 3.

1. King Pumps: use a ground wire and clamp. See

Fig. 1. Remove the ground screw (Z) and insert

through eye of ring terminal at the end of ground

wire (Y). Fasten ground screw back onto pump

and tighten securely. Connect the other end of the

wire to a true earth ground. Order Part No. 222011

Ground Wire and Clamp.

All Other Pumps: use a ground wire and clamp.

See Fig. 2. Loosen the grounding lug locknut (W)

and washer (X). Insert one end of a 1.5 mm@(12

ga) minimum ground wire (Y) into the slot in lug (Z)

and tighten the locknut securely. Connect the other

end of the wire to a true earth ground. Order Part

No. 237569 Ground Wire and Clamp.

Fig. 1 TI1052

Fig. 2

0864

2. Air and fluid hoses: use only electrically conductive

hoses.

3. Air compressor or hydraulic power supply: follow

manufacturer’s recommendations.

4. Surge tank: use a ground wire and clamp. See Fig.

5. Spray gun: ground through connection to a prop-

erly grounded fluid hose and pump.

6. Fluid supply container: follow your local code.

7. Object being sprayed: follow your local code.

8. Solvent pails used when flushing: follow your local

code. Use only metal pails, which are conductive,

placed on a grounded surface. Do not place the

pail on a nonconductive surface, such as paper or

cardboard, which interrupts the grounding continu-

ity.

9. To maintain grounding continuity when flushing or

relieving pressure, hold a metal part of the spray

gun firmly to the side of a grounded metal pail,

then trigger the gun.

309136 7

Installation

Plumbing

Displacement pump models have a 2 in. npt(f) fluid

inlet and a 2 in. npt(f) fluid outlet or have a 2 in.

bspp(f) fluid inlet and a 2 in. bspp(f) fluid outlet.

Use 50 mm (2 in.) diameter pipe and plumbing. Install

a fluid shutoff valve (D) between each tank and the

pump.

When using a stainless steel pump, use stainless steel

plumbing to maintain a corrosion-resistant system.

Tri-Clamp Adapters

Tri-clamp adapters are available which allow sanitary

pipe to be connected to a pump with bspp inlet and

outlet. Refer to Fig. 3.

Install a 2 in. tri-clamp gasket (GG) in the groove of the

tri-clamp adapter (HH). Mate the tri-clamp adapter with

the sanitary pipe and secure with two clamps (JJ),

bolts (KK), and nuts (MM). Install the bolts in opposite

directions.

8689A

Fig. 3

GG*

HH JJ*

KK*

MM*

* Customer must supply.

Graco adapter 193202. Requires seal 193424.

8 309136

Installation

All Systems

NOTE: Reference numbers and letters in parentheses

in the text refer to the callouts in the figures and parts

drawings.

The Typical Installations shown in Figs. 5 and 6 are

only examples. Contact your Graco distributor for

system design assistance.

An accessory surge tank (B), Part No. 218509 (cst) or

238983 (sst) should be used to reduce fluid surging

and to prevent backflow into the pump. Install a full

flow, non-restrictive fluid shutoff valve (D) before and

after the surge tank to isolate it for servicing. The

surge tank also uses the accessory stand (218742).

WARNING

COMPONENT RUPTURE HAZARD

To reduce the risk of component rupture,

which can cause serious injury, be sure

that all accessories and system compo-

nents can withstand the pressure and flow in this

system.

Mount the Pump

Mount the pump in the accessory pump stand (A), Part

No. 218742. Secure the stand to the floor with M19

(5/8 in.) bolts which engage at least 152 mm (6 in.) into

the concrete floor to prevent the pump from tipping.

Non-Circulating Systems

In non-circulating systems with a fluid outlet that can

be closed off (causing the pump to stall), install a fluid

pressure relief valve (AA) and a return line (BB). See

Fig. 4.

WARNING

COMPONENT RUPTURE HAZARD

The pressure relief valve reduces the

risk of the pump overpressurizing if the

piston seal is worn and leaking, and the

fluid outlet is closed off. Install the valve so the ar-

row on its body matches the direction of fluid flow.

Do not install a fluid shutoff valve in the fluid line

between the pump outlet (DD) and the pump inlet

(CC). Doing so defeats the purpose of the pressure

relief valve if the shutoff valve is closed, resulting in

pump overpressurization. Overpressurization can

cause the pump or components to rupture, result-

ing in serious injury and property damage.

01407

DD C

Fig. 4

1Do not install a fluid shutoff valve in the fluid line

between the pump outlet (DD) and the pump inlet (CC).

See the WARNING above.

Pressure Relief Valve

(for non-circulating systems)

KEY

A Accessory Pump Stand (P/N 218742)

C 50 mm (2 in.) Diameter Pipe

D Full Flow, Non-Restrictive Fluid Shutoff Valve

E Fluid Supply Line

AA External Pressure Relief Valve

BB Fluid Return Line

CC Pump Fluid Inlet

DD Pump Fluid Outlet

309136 9

Installation (Air-Powered Pumps)

WARNING

A bleed-type master air valve (L) is required in your

system, to help reduce the risk of serious injury

including splashing fluid in the eyes or on the skin,

and injury from moving parts if you are adjusting or

repairing the pump.

The bleed-type master air valve relieves air trapped

between this valve and the pump after the air is

shut off. Trapped air can cause the pump to cycle

unexpectedly. Locate the valve close to the pump.

CAUTION

Do not hang the air accessories directly on the

pump’s air inlet. The fittings are not strong enough to

support the accessories and may cause one or more

to break. Provide a bracket on which to mount the

accessories.

In an air-powered system, install the air line accesso-

ries in the order shown in Fig. 5. Working upstream

from the pump air inlet, install an air line lubricator (H)

for automatic air motor lubrication. Next, install a

bleed-type master air valve (L) to relieve air trapped

between the valve and the pump, and an air regulator

and gauge (J) to control pump speed.

Install a pump runaway valve (G) to shut off the air to

the pump if the pump accelerates beyond the pre-

adjusted setting. A pump which runs too fast can be

seriously damaged.

Install an air filter (K) to remove harmful dirt and mois-

ture from the compressed air supply, and a second

bleed-type master air valve to isolate the air line ac-

cessories for servicing. Last, install a drain valve (W)

at the bottom of each air line drop, to drain off mois-

ture.

10 309136

Installation (Air-Powered Pumps)

01406

KEY

A Accessory Pump Stand (P/N 218742)

B Surge Tank (P/N 218509 or 238983)

C 50 mm (2 in.) Diameter Pipe

D Full Flow, Non-Restrictive Fluid Shutoff Valve

E Fluid Supply Line

F Mix Tank

G Pump Runaway Control Valve

H Air Line Lubricator

J Air Regulator and Gauge

K Air Line Filter

L Bleed-type Master Air Valve

W Air Line Drain Valve

Y Ground Wire

LHG

Fig. 5

1Do not hang the air accessories directly on the

pump’s air inlet. Provide a bracket on which to

mount the accessories.

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